Imagick::getImageDistortion

(PECL imagick 2, PECL imagick 3)

Imagick::getImageDistortion — Compares an image to a reconstructed image

public Imagick::getImageDistortion(MagickWand $reference, int $metric): float

Compares an image to a reconstructed image and returns the specified distortion metric.

Returns the distortion metric used on the image (or the best guess thereof).

错误时抛出 ImagickException。

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